CN208538771U - Novel automobile electromagnetic relay - Google Patents

Abstract

The utility model discloses a kind of novel automobile electromagnetic relay, including armature, support base, electroconductive elastic sheet, plastic base, electromagnet, the first quiet elastic slice and the second quiet elastic slice, armature is located at the top of support base, and electroconductive elastic sheet is riveted on armature and support base simultaneously.The rear end of armature forms two limit films, and the medial surface of each limit film is all downwardly and outwardly inclined；Support base is the L-type seat for including region one and region two, and the upper surface in region one is the inclined surface from back to front and tilted down.Electroconductive elastic sheet includes a-quadrant, B area, the region C and pin field, and pin field is bilayer copper sheet made of being turned down and pressed outward as single layer copper sheet, and other regions are single layer copper sheet.The utility model passes through the mating reaction of electroconductive elastic sheet and armature, realize the on-off of the movable contact of the front end of electroconductive elastic sheet and the stationary contact of relay, action sensitivity is high, and return ability of the armature under electroconductive elastic sheet drive is strong, good stability, and realize the miniaturization of relay and integrated.

Description

Novel automobile electromagnetic relay

Technical field

The utility model relates to relay technical fields, more particularly to a kind of automobile electrical magnetic relay.

Background technique

Relay (English name: relay) is a kind of electric control device, is usually applied in automation control circuit, It is actually one kind " automatic switch " that control high current running is gone with low current.Therefore automatic adjustment, peace are played in circuit The effects of full guard, conversion circuit.

What electromagnetic relay was generally made of iron core, coil, armature, electroconductive elastic sheet etc..As long as adding one at coil both ends Fixed voltage will pass through certain electric current in coil, to generate galvanomagnetic-effect, armature will be in the effect of electromagnetic attracting force Under overcome the pulling force of return spring to be drawn to iron core, so that the movable contact with moving armature and stationary contact (normally opened contact) are attracted.Work as line After circle power-off, the suction of electromagnetism also disappears therewith, and armature will return to original position in the reaction force of spring, makes movable contact It is discharged with original stationary contact (normally-closed contact).It is attracted, discharges in this way, to reach the mesh of conducting in circuit, cutting 's.

Armature and electroconductive elastic sheet are all the core components of electromagnetic relay, and there is the armature of current relay lifting to swing Stability is poor, the disadvantages of reliability is bad, the magnetic conduction effect of the poor controllability of uplift scope and armature is not satisfactory, and The design of conductive monolithic is not ideal enough, is unable to ensure magnetic elastic slice position if thickness if active force produced by script coil if integrally doing Move, and it is related need to increase coil winding circle number so that relay is on Miniaturization Design；If integrally do it is thin if electroconductive elastic sheet When the plastic base that pin passes through relay is used for wiring, intensity is inadequate, is easy cracking, fractures, and influence relay uses the longevity Life.

Utility model content

The utility model is mainly solving the technical problems that provide a kind of novel automobile electromagnetic relay, by arriving conductive bullet The on-off of the movable contact of the front end of electroconductive elastic sheet and the stationary contact of relay is realized in the mating reaction of piece and armature, sensitive Degree is high, and return ability of the armature under electroconductive elastic sheet drive is strong, good stability, while armature and support base are anti-oxidation, extend after The service life of electric appliance, and the miniaturization of relay and integrated is realized, space is saved, especially suitable for automobile lamp, door The relay of the control sections such as window.

In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of new car electricity consumption Magnetic relay, including armature, support base, electroconductive elastic sheet, plastic base, electromagnet, the first quiet elastic slice and the second quiet elastic slice, it is described Electromagnet includes iron core and the coil that is around in outside the iron core, and one end of the support base is embedded to the plastic base, the other end Top be equipped with the armature, the armature is flexibly connected with the support base, and the electroconductive elastic sheet is riveted on the rank simultaneously Iron and the support base, the electromagnet are fixed on the plastic base, and the first quiet elastic slice and the second quiet elastic slice are solid Due to the plastic base, the electroconductive elastic sheet between the described first quiet elastic slice and the second quiet elastic slice and with both rear its One of electrical contact；The electroconductive elastic sheet, the first quiet elastic slice and the second quiet elastic slice each extend over out and connect circuit board Pin；

There are two the first convex closure for riveting the electroconductive elastic sheet, two first convex closures for the upper surface tool of the armature Center away from for 3.8 ± 0.03mm；It is rear end, the rear end shape of the armature that the armature, which is defined, close to one end of the support base At two limit films, each limit film is all extended downwardly from the rear end face of the armature, the medial surface of each limit film all to It down and is inclined outwardly, and the angle between the medial surface of the limit film and the lower surface of the armature is 15-19 °, each limit The lateral surface of bit slice is all vertical plane；

The support base is L-type seat, and the L-type seat includes integrally formed region one and region two, the region one with The angle formed between the region two is 89-90 °, and the upper surface in the region one is the inclination from back to front and tilted down Face, the angle between the inclined surface and vertical plane are 87.9-88.5 °, and there are two be used for riveting for the trailing flank tool in the region one Connect the second convex closure of elastic slice, away from for 3.6 ± 0.03mm, the region two has one for installing for the centers of two second convex closures The installation through-hole of the iron core, under use state, the armature is located at the top of the support base, and the limit film is located at institute State the rear in region one, when work, the armature can be swung up and down using the rear side of the inclined surface in the region one as fulcrum；

The surface roughness of the armature is 0.8-1.2 μm；

It is interior for defining the one side that the electroconductive elastic sheet is contacted with armature；The electroconductive elastic sheet successively include a-quadrant, B area, The region C and pin field, the a-quadrant, the B area, the region C and the pin field are sequentially connected, the a-quadrant With a movable contact riveted holes, the diameter of the movable contact riveted holes is 0.55-0.65mm, is riveted into the movable contact riveted holes The top and bottom of movable contact can all be switched on or switched off with the stationary contact of the first, second quiet elastic slice of relay；

The B area include the interlude connecting with a-quadrant and the region C and extend to the left and right sides from interlude and At side segment, two sides section is full symmetric, each side segment all have one for electroconductive elastic sheet to be riveted on relay First riveted holes of armature, the diameters of first riveted holes are 0.38-0.43mm, between the hole heart of two first riveted holes Distance be 1.95-2.15mm, the height of the side segment is 0.85-0.95mm；

There are two the second riveted holes, a waist through hole and a kidney-shaped protrusions for the region the C tool, pass through second riveting It connecing hole and the electroconductive elastic sheet is riveted on the support base, the diameter of second riveted holes is 0.38-0.43mm, two described the The distance between hole heart of two riveted holes is 0.95-1.12mm；The waist through hole is located at the top of second riveted holes, institute The length direction of the length direction and kidney-shaped protrusion of stating waist through hole is vertical；

The a-quadrant, the B area and the region C are single layer copper sheet, the a-quadrant, the B area and the C The thickness in region is 0.072-0.078mm, and the pin field is double made of being turned down and pressed outward as single layer copper sheet Layer copper sheet, the pin field with a thickness of 0.140-0.152mm, the width of the upper end of the pin field is 1.01- 1.05mm, and the width of lower end is 0.57-0.60mm.

In order to solve the above-mentioned technical problem, the further technical solution that the utility model uses is: the ontology of the armature Successively be coated with layers of copper and nickel layer for the surface of iron plate, and the iron plate, the layers of copper with a thickness of 0.1-1.0 μm, the nickel layer With a thickness of 2-4 μm；

The ontology of the support base is iron plate, and the surface of the iron plate is successively coated with layers of copper and nickel layer, the layers of copper With a thickness of 0.1-1.0 μm, the nickel layer with a thickness of 2-4 μm.

It further says, first convex closure and second convex closure are cylindrical convex closure, the cylinder convex closure Diameter is 0.75-0.80mm；The height of first convex closure is 0.4-0.5mm, and the height of second convex closure is 0.37- 0.47mm。

It further says, first convex closure and second convex closure are the convex closure being stamped to form.

It further says, the support base is the L-type seat as made of an iron plate bending.

It further says, the height that each limit film is extended is 1.75-1.80mm.

Further say, when the electroconductive elastic sheet is not riveted on relay, the a-quadrant, the B area, the region C It is located in the same vertical plane with the medial surface of the pin field.

It further says, the length of the waist through hole is 1.20mm, and width is 0.40mm；The length of the kidney-shaped protrusion Degree is 1.0mm, and width is 0.25mm.

It further says, the kidney-shaped protrusion is the protrusion being stamped to form from inside to outside, and the kidney-shaped protrusion protrudes from institute The height for stating the medial surface of electroconductive elastic sheet is 1.50mm.

The movable contact is silver contact or golden contact.

The beneficial effects of the utility model are:

The utility model by arriving the mating reaction of electroconductive elastic sheet and armature, realize the movable contact of the front end of electroconductive elastic sheet with The on-off of the stationary contact of relay, action sensitivity is high, and return ability of the armature under electroconductive elastic sheet drive is strong, good stability, Armature and support base are anti-oxidation simultaneously, extend the service life of relay, and realize the miniaturization of relay and integrated, section About space；

Furthermore the rear end of armature forms two limit films, and each limit film is all extended downwardly from the rear end face of armature, often The medial surface of one limit film is all downwardly and outwardly inclined, and the angle α 1 between the medial surface of limit film and the lower surface of armature is 15-19°；Support base is the L-type seat for including region one and region two, and the upper surface in region one from back to front and tilts down Inclined surface, the angle between inclined surface and vertical plane are 87.9-88.5 °, and under use state, armature is located at the top of support base, And limit film is located at the rear in region one, when work, armature can be swung up and down using the rear side of the inclined surface in region one as fulcrum, Due to the rational design of the tilt angle of the medial surface of the design and limit film of the limit film of armature, so that armature movement is clever It is quick, and energy limition orientation, having prevented armature movement long can deviate；The design of the inclined surface of support base, so that armature and support base Between contact of the non-face with face for contact of the face with line, the sensitivity of further lift armature movement, stability and use the longevity Life, and then improve the performance of relay；

Furthermore the main function of armature is exactly magnetic conduction, and can be swung up and down, the rank of the utility model in conjunction with electroconductive elastic sheet The surface roughness of iron is 0.8-1.2 μm, and rough surface group is low, can be improved the magnetic conduction effect of armature, and then improve armature The flexibility and lifting swung up and down swings effect；

Furthermore the surface of armature and support base successively has layers of copper and nickel layer, protective layer is formed, armature and support are avoided The surface time of seat, which has been grown, to be oxidized, and is influenced using effect, is prolonged the service life；

Furthermore the first convex closure and second convex closure can be to be stamped to form, and support base can be for by an iron plate bending Made of L-type seat, the kidney-shaped protrusion using punching press and bending technique, and on electroconductive elastic sheet can be stamped to form, processing procedure work Sequence is few, can greatly improve production efficiency, qualification rate, reduces production cost；

Furthermore electroconductive elastic sheet structure and the size shape design of the utility model are rationally, wherein the pin area of electroconductive elastic sheet Using the double-deck copper sheet, other regions use single layer copper sheet in domain, using this design, first is that can guarantee the intensity of pin field, Because pin field needs to be embedded to the plastic base of relay and stretches out for wiring, it is not easily broken, extends the use of relay Service life；Second is that other regions in addition to pin field are single layer copper sheet, light, bounce is good, and armature can be guaranteed with conduction The sensitivity of the movement of elastic slice rebound, shortens the time of armature rebound, and fatigue resistance is good；

Furthermore pin field forms double layers of copper structures using fold process for pressing, and processing procedure process is few, production effect is greatly improved Rate, qualification rate reduce production cost；

, can be conductive furthermore since support base is mostly irony, and the region C of the electroconductive elastic sheet of the utility model has one Waist through hole and kidney-shaped protrusion, being come into contact in a large area with support base by can be avoided electroconductive elastic sheet, it is worked to can avoid relay Cheng Zhong produces pyrophoric risk, improves the safety of relay；

Furthermore the mode of riveting is all made of between the electroconductive elastic sheet and armature and support base of the utility model, it is fixed, It will not loosen；And electroconductive elastic sheet can use the good copper sheet of electric conductivity, be able to maintain good electric conductivity.

The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail It describes in detail bright as after.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the main view of the utility model；

Fig. 3 is the structural schematic diagram at the electroconductive elastic sheet of the utility model；

Fig. 4 is the structural schematic diagram at the armature and support base of the utility model；

Fig. 5 is the perspective view of the armature of the utility model；

Fig. 6 is the main view of the armature of the utility model；

Fig. 7 is the partial enlarged view of the A-A of Fig. 6；

The top view of the armature of Fig. 8 the utility model；

Fig. 9 is the perspective view of the support base of the utility model；

Figure 10 is the main view of the support base of the utility model；

Figure 11 is the top view of the support base of the utility model；

Figure 12 is that (pin field is pair after pressing to one of structural schematic diagram of expansion of electroconductive elastic sheet of the utility model When layer copper sheet)；

Figure 13 is that (pin field is when not pressing for the second structural representation of the expansion of the electroconductive elastic sheet of the utility model When single layer copper sheet)；

Figure 14 is the enlarged side view of the part of the electroconductive elastic sheet of the utility model；

Each section label is as follows in attached drawing:

Armature 10, the first convex closure 101, limit film 102, support base 20, region 1, the second convex closure 2011, installation through-hole 2021, region 2 202, first convex closure center away from d1, the limit film medial surface and the armature lower surface it Between angle α 1；3, two institute of angle α between angle α 2, inclined surface and the vertical plane formed between region one and the region two The center of the second convex closure is stated away from d2, the height h1 that each limit film is extended, the height h2 of the first convex closure, the second convex closure Height h3；

Electroconductive elastic sheet 30, a-quadrant 301, movable contact riveted holes 3011, B area 302, interlude 3021, side segment 3022, First riveted holes 3023, the region C 303, the second riveted holes 3031, waist through hole 3032, kidney-shaped protrusion 3033, pin field 304, The distance between the hole heart D1, the height H1 of side segment, two second riveted holes of movable contact 305, two first riveted holes The distance between hole heart D2, the a-quadrant, the B area and the thickness D3 in the region C, the pin field thickness D4, pin field upper end width W1, and the width W2 of lower end, the kidney-shaped protrusion protrude from the inside of the electroconductive elastic sheet The height H2 in face；

Plastic base 40, the first quiet elastic slice 50, pin 501, stationary contact 502, the second quiet elastic slice 60, electromagnet 70.

Specific embodiment

Illustrate specific embodiment of the present utility model below by way of particular specific embodiment, those skilled in the art can The advantages of the utility model is understood by content disclosed in the present specification easily and effect.The utility model can also it is other not Same mode is practiced, that is, under the scope of revealed without departing substantially from the utility model, can give different modification and change.

Embodiment: a kind of novel automobile electromagnetic relay, as shown in Fig. 1 to Fig. 2, including armature 10, support base 20, conduction Elastic slice 30, plastic base 40, electromagnet 70, the first quiet elastic slice 50 and the second quiet elastic slice 60, the electromagnet include iron core and around In the coil (meaning not shown) outside the iron core, one end of the support base is embedded to the plastic base, sets above the other end There is the armature, the armature is flexibly connected with the support base, and the electroconductive elastic sheet is riveted on the armature and described simultaneously Support base, the electromagnet are fixed on the plastic base, and the first quiet elastic slice and the second quiet elastic slice are fixed on described Plastic base, the electroconductive elastic sheet are between the described first quiet elastic slice and the second quiet elastic slice and electric with one of rear the two Contact；The electroconductive elastic sheet, the first quiet elastic slice and the second quiet elastic slice each extend over out the pin of connection circuit board 501；

As shown in Fig. 3 to Figure 11, there are two first for riveting the electroconductive elastic sheet is convex for the upper surface tool of the armature Packet 101, the center of two first convex closures are 3.8 ± 0.03mm away from d1；The armature is defined close to one end of the support base For rear end, the rear end of the armature forms two limit films 102, each limit film all extend downwardly from the rear end face of the armature and At the medial surface of each limit film is all downwardly and outwardly inclined, and the lower surface of the medial surface of the limit film and the armature Between angle α 1 be 15-19 °, the lateral surface of each limit film is all vertical plane；

The support base is L-type seat, and the L-type seat includes integrally formed region 1 and region 2 202, the area The angle α 2 formed between domain one and the region two is 89-90 °, and the upper surface in the region one is from back to front and to dip down Oblique inclined surface, the angle α 3 between the inclined surface and vertical plane are 87.9-88.5 °, and the trailing flank in the region one has Two are used to rivet the second convex closure 2011 of elastic slice, and the center of two second convex closures is 3.6 ± 0.03mm, the region away from d2 Two with one for installing the installation through-holes 2021 of the iron core, under use state, the armature is located at the upper of the support base Side, and the limit film is located at the rear in the region one, when work, the armature can be with the inclined surface in the region one Rear side swings up and down for fulcrum；

The surface roughness of the armature is 0.8-1.2 μm；

As shown in Figure 12 to Figure 14, it is interior for defining the one side that the electroconductive elastic sheet is contacted with armature；The electroconductive elastic sheet 30 It successively include a-quadrant 301, B area 302, the region C 303 and pin field 304, the a-quadrant, the B area, the region C It is sequentially connected with the pin field, the a-quadrant has a movable contact riveted holes 3011, the diameter of the movable contact riveted holes For 0.55-0.65mm, the top and bottom riveted into the movable contact 305 of the movable contact riveted holes all can be with the of relay One, the stationary contact 502 of the second quiet elastic slice is switched on or switched off；

The B area 302 include the interlude 3021 being connect with a-quadrant and the region C and from interlude to the left and right sides Side segment 3022 made of extension, two sides section is full symmetric, and all there is each side segment one to be used to rivet electroconductive elastic sheet In the first riveted holes 3023 of the armature of relay, the diameter of first riveted holes is 0.38-0.43mm, two first rivetings Meeting the distance between the hole heart in hole D1 is 1.95-2.15mm, and the height H1 of the side segment is 0.85-0.95mm；

There are two 3031, waist through hole 3032 of the second riveted holes and a kidney-shaped protrusions for the tool of the region C 303 3033, the electroconductive elastic sheet is riveted on the support base by second riveted holes, the diameter of second riveted holes is 0.38-0.43mm, the distance between hole heart of two second riveted holes D2 are 0.95-1.12mm；The waist through hole is located at The length direction of the top of second riveted holes, the length direction of the waist through hole and kidney-shaped protrusion is vertical；

The a-quadrant, the B area and the region C are single layer copper sheet, the a-quadrant, the B area and the C The thickness D3 in region is 0.072-0.078mm, and the pin field is made of being turned down and pressed outward as single layer copper sheet The thickness D4 of the double-deck copper sheet, the pin field is 0.140-0.152mm, and the width W1 of the upper end of the pin field is 1.01-1.05mm, and the width W2 of lower end is 0.57-0.60mm.

The ontology of the armature is iron plate, and the surface of the iron plate is successively coated with layers of copper and nickel layer, the thickness of the layers of copper Degree be 0.1-1.0 μm, the nickel layer with a thickness of 2-4 μm；

The ontology of the support base is iron plate, and the surface of the iron plate is successively coated with layers of copper and nickel layer, the layers of copper With a thickness of 0.1-1.0 μm, the nickel layer with a thickness of 2-4 μm.

As shown in Fig. 3 to Figure 11, first convex closure and second convex closure are cylindrical convex closure, the circular cylindrical projection The diameter of packet is 0.75-0.80mm；The height h2 of first convex closure is 0.4-0.5mm, and the height h3 of second convex closure is 0.37-0.47mm。

First convex closure and second convex closure are the convex closure being stamped to form.

The support base is the L-type seat as made of an iron plate bending.

The height h1 that each limit film is extended is 1.75-1.80mm.

In the present embodiment, it is preferable that the center of two first convex closures is 3.8mm away from d1；The region one with it is described The angle α 2 formed between region two is 89.3 °；Angle α 3 between the inclined surface and vertical plane is 1.8 °；Two described second The center of convex closure is 3.6mm away from d2；The height h1 that each limit film is extended is 1.80mm.

As shown in Figure 12 to Figure 14, when the electroconductive elastic sheet is not riveted on relay, the a-quadrant, the B area, institute The medial surface for stating the region C and the pin field is located in the same vertical plane.

The length of the waist through hole is 1.20mm, and width is 0.40mm；The length of the kidney-shaped protrusion is 1.0mm, And width is 0.25mm.

The kidney-shaped protrusion is the protrusion being stamped to form from inside to outside, and the kidney-shaped protrusion protrudes from the electroconductive elastic sheet The height H2 of medial surface is 1.50mm.

The movable contact is silver contact or golden contact.

In the present embodiment, the width direction of the length direction of the waist through hole perpendicular to the electroconductive elastic sheet.

In the present embodiment, the diameters of first riveted holes is 0.40mm, between the hole heart of two first riveted holes Distance D1 is 2.0mm, and the height of the side segment is 0.90mm；

The diameter of second riveted holes is 0.40mm, and the distance between hole heart of two second riveted holes D2 is 1.0mm；

The diameter of the movable contact riveted holes is 0.60mm；

The thickness D3 of the a-quadrant, the B area and the region C is 0.08mm, the thickness D4 of the pin field It is 1.03mm for 0.150mm, the width W1 of the upper end of the pin field, and the width W2 of lower end is 0.59mm.

The working principle and the course of work of the utility model are as follows:

Electroconductive elastic sheet is riveted on the armature and support base of relay, and pin area by the first riveted holes and the second riveted holes The plastic base of domain embedment relay simultaneously stretches out in plastic base for wiring, and the movable contact riveted holes of a-quadrant are riveted into dynamic touching Point；The region two of support base is embedded in the plastic base of relay, and installation is used for the iron core of wound around coil, rank in installation through-hole Iron is located at the top of support base, and limit film is located at the rear in region one；First quiet elastic slice and the second quiet elastic slice are fixed on plastic cement Pedestal, electroconductive elastic sheet between the first quiet elastic slice and the second quiet elastic slice and with one of both rear electrical contact；

When work, when electromagnetic coil has magnetic, armature is sucked, when power-off, under the action of electroconductive elastic sheet, with moving armature Front end lifting realizes the movable contact and relay of the front end of electroconductive elastic sheet by arriving the mating reaction of electroconductive elastic sheet and armature The on-off of the stationary contact of first quiet elastic slice；Similarly, movable contact is also able to achieve the on-off with the stationary contact of the second quiet elastic slice, realize after The on-off control function of electric appliance；

Wherein, armature can be swung up and down using the rear side of the inclined surface in region one as fulcrum, that is, when being powered, armature is inhaled Firmly, when power-off, under the action of electroconductive elastic sheet, the lifting of front end with moving armature, by the mating reaction of electroconductive elastic sheet and armature, It realizes the movable contact and relay stationary contact on-off of the front end of electroconductive elastic sheet, and then realizes the function of relay, wherein due to rank The rational design of the tilt angle of the medial surface of the design and limit film of the limit film of iron, so that armature movement is sensitive, and energy Limition orientation, having prevented armature movement long can deviate；The design of the inclined surface of support base, so that being face between armature and support base Contact and contact of the non-face with face with line, sensitivity, stability and the service life of further lift armature movement, Jin Erti The performance of high relay.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure made based on the specification and figures of the utility model is applied directly or indirectly in other relevant technologies Field is also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of novel automobile electromagnetic relay, it is characterised in that: including armature (10), support base (20), electroconductive elastic sheet (30), Plastic base (40), electromagnet (70), the first quiet elastic slice (50) and the second quiet elastic slice (60), the electromagnet include iron core and around Coil outside the iron core, one end of the support base are embedded to the plastic base, and the top of the other end is equipped with the armature, The armature is flexibly connected with the support base, and the electroconductive elastic sheet is riveted on the armature and the support base simultaneously, described Electromagnet is fixed on the plastic base, and the first quiet elastic slice and the second quiet elastic slice are fixed on the plastic base, institute Electroconductive elastic sheet is stated between the described first quiet elastic slice and the second quiet elastic slice and with one of both rear electrical contact；It is described to lead Electric elastic slice, the first quiet elastic slice and the second quiet elastic slice each extend over out the pin (501) of connection circuit board；

For the upper surface tool of the armature there are two the first convex closure (101) for riveting the electroconductive elastic sheet, two described first is convex The center of packet is 3.8 ± 0.03mm away from (d1)；It is rear end that the armature, which is defined, close to one end of the support base, the armature Rear end forms two limit films (102), and each limit film is all extended downwardly from the rear end face of the armature, each limit film Medial surface is all downwardly and outwardly inclined, and the angle (α 1) between the medial surface of the limit film and the lower surface of the armature is 15-19 °, the lateral surface of each limit film is all vertical plane；

The support base is L-type seat, and the L-type seat includes integrally formed region one (201) and region two (202), the area The angle (α 2) formed between domain one and the region two is 89-90 °, and the upper surface in the region one is from back to front and downwards Inclined inclined surface, the angle (α 3) between the inclined surface and vertical plane are 87.9-88.5 °, the trailing flank in the region one Tool is 3.6 ± 0.03mm away from (d2) there are two the second convex closure (2011) for riveting elastic slice, the center of two second convex closures, The region two has one for installing the installation through-hole (2021) of the iron core, and under use state, the armature is located at described The top of support base, and the limit film is located at the rear in the region one, when work, the armature can be with the region one The rear side of inclined surface swung up and down for fulcrum；

The surface roughness of the armature is 0.8-1.2 μm；

It is interior for defining the one side that the electroconductive elastic sheet is contacted with armature；The electroconductive elastic sheet (30) successively includes a-quadrant (301), B Region (302), the region C (303) and pin field (304), the a-quadrant, the B area, the region C and the pin area Domain is sequentially connected, and the a-quadrant has a movable contact riveted holes (3011), and the diameter of the movable contact riveted holes is 0.55- 0.65mm, the top and bottom for riveting the movable contact (305) into the movable contact riveted holes all can be with first, the of relay The stationary contact (502) of two quiet elastic slices is switched on or switched off；

The B area (302) include the interlude (3021) being connect with a-quadrant and the region C and from interlude to the left and right sides Side segment made of extension (3022), two sides section is full symmetric, and all there is each side segment one to be used for electroconductive elastic sheet riveting It is connected to the first riveted holes (3023) of the armature of relay, the diameter of first riveted holes is 0.38-0.43mm, two described the The distance between hole heart of one riveted holes (D1) is 1.95-2.15mm, and the height (H1) of the side segment is 0.85-0.95mm；

There are two the second riveted holes (3031), a waist through hole (3032) and a kidney-shaped protrusions for the region C (303) tool (3033), the electroconductive elastic sheet is riveted on the support base, the diameter of second riveted holes by second riveted holes For 0.38-0.43mm, the distance between the hole heart of two second riveted holes (D2) is 0.95-1.12mm；The waist through hole Positioned at the top of second riveted holes, the length direction of the length direction of the waist through hole and kidney-shaped protrusion is vertical；

The a-quadrant, the B area and the region C are single layer copper sheet, the a-quadrant, the B area and the region C Thickness (D3) be 0.072-0.078mm, and the pin field is double made of being turned down and pressed outward as single layer copper sheet The thickness (D4) of layer copper sheet, the pin field is 0.140-0.152mm, and the width (W1) of the upper end of the pin field is 1.01-1.05mm, and the width (W2) of lower end is 0.57-0.60mm.

2. novel automobile electromagnetic relay according to claim 1, it is characterised in that: the ontology of the armature is iron plate, And the surface of the iron plate is successively coated with layers of copper and nickel layer, the layers of copper with a thickness of 0.1-1.0 μm, the nickel layer with a thickness of 2-4μm；

The ontology of the support base is iron plate, and the surface of the iron plate is successively coated with layers of copper and nickel layer, the thickness of the layers of copper Be 0.1-1.0 μm, the nickel layer with a thickness of 2-4 μm.

3. novel automobile electromagnetic relay according to claim 1, it is characterised in that: first convex closure and described second Convex closure is cylindrical convex closure, and the diameter of the cylinder convex closure is 0.75-0.80mm；The height (h2) of first convex closure is 0.4-0.5mm, the height (h3) of second convex closure are 0.37-0.47mm.

4. novel automobile electromagnetic relay according to claim 1, it is characterised in that: first convex closure and described second Convex closure is the convex closure being stamped to form.

5. novel automobile electromagnetic relay according to claim 1, it is characterised in that: the support base is to be rolled over by an iron plate L-type seat made of curved.

6. novel automobile electromagnetic relay according to claim 1, it is characterised in that: what each limit film was extended Highly (h1) is 1.75-1.80mm.

7. novel automobile electromagnetic relay according to claim 1, it is characterised in that: the electroconductive elastic sheet be not riveted on after When electric appliance, the a-quadrant, the B area, the region C and the pin field medial surface be located in the same vertical plane.

8. novel automobile electromagnetic relay according to claim 1, it is characterised in that: the length of the waist through hole is 1.20mm, and width is 0.40mm；The length of the kidney-shaped protrusion is 1.0mm, and width is 0.25mm.

9. novel automobile electromagnetic relay according to claim 1, it is characterised in that: the kidney-shaped protrusion is from inside to outside The protrusion being stamped to form, the height (H2) that the kidney-shaped protrusion protrudes from the medial surface of the electroconductive elastic sheet is 1.50mm.

10. novel automobile electromagnetic relay according to claim 1, it is characterised in that: the movable contact be silver contact or Golden contact.